Question

Give reason
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Answer 1

Explanation:

we can say CO2 a bast fire extinguisher to put off fires because CO2 makes circle around fire which don't allow oxyzen to pass through it

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Answer 2

petrol is loghter than water. so, when we extinguish burning of petrol or diesel, they will flow on water. But Co2 cut off the reation between oxygen and fire. that's why carbon is considered as the best fire extinguisher to put off fires cause by petrol or oil.